I want to check my gateway setup and that calls are able to be sent originate sofia/gateway/xxx.xxx.xxx.xxx/0044207343 100 -ERR INVALID_NUMBER_FORMAT xxx.xxx.xxx.xxx is a public ip address and the gateway name is called the same <gateway name="xxx.xxx.xxx.xxx"> Why do I get invalid gateway error? 2010-09-23 20:43:34.756883 [ERR] mod_sofia.c:3603 Invalid Gateway freeswitch@internal> 2010-09-23 20:43:34.756883 [NOTICE] mod_sofia.c:3899 Close Channel N/A [CS_NEW] 2010-09-23 20:43:34.756883 [DEBUG] switch_core_state_machine.c:428 () Running State Change CS_DESTROY 2010-09-23 20:43:34.756883 [DEBUG] switch_core_state_machine.c:438 (N/A) State DESTROY 2010-09-23 20:43:34.756883 [DEBUG] mod_sofia.c:350 N/A SOFIA DESTROY 2010-09-23 20:43:34.756883 [DEBUG] switch_core_state_machine.c:438 (N/A) State DESTROY going to sleep 2010-09-23 20:43:34.756883 [ERR] switch_ivr_originate.c:2491 Cannot create outgoing channel of type [sofia] cause: [INVALID_NUMBER_FORMAT] 2010-09-23 20:43:34.756883 [DEBUG] switch_ivr_originate.c:3310 Originate Resulted in Error Cause: 28 [INVALID_NUMBER_FORMAT]